Add support for GeoTIFF images

src/map/mapfile.h

@@ -0,0 +1,52 @@
+#ifndef MAPFILE_H
+#define MAPFILE_H
+
+#include <QIODevice>
+#include <QTransform>
+#include "datum.h"
+#include "transform.h"
+#include "projection.h"
+
+class MapFile
+{
+public:
+	bool load(QIODevice &file);
+
+	const Datum &datum() const {return _datum;}
+	Projection *projection() const {return _projection;}
+	const QTransform &transform() const {return _transform;}
+
+	const QString &name() const {return _name;}
+	const QString &image() const {return _image;}
+	const QSize &size() const {return _size;}
+
+	const QString &errorString() const {return _errorString;}
+
+private:
+	struct CalibrationPoint {
+		ReferencePoint rp;
+		Coordinates ll;
+		int zone;
+	};
+
+	int parse(QIODevice &device, QList<CalibrationPoint> &points,
+	  QString &projection, Projection::Setup &setup, QString &datum);
+	bool parseMapFile(QIODevice &device, QList<CalibrationPoint> &points,
+	  QString &projection, Projection::Setup &setup, QString &datum);
+	bool createDatum(const QString &datum);
+	bool createProjection(const QString &projection,
+	  const Projection::Setup &setup, QList<CalibrationPoint> &points);
+	bool computeTransformation(QList<CalibrationPoint> &points);
+
+	QString _name;
+	QString _image;
+	QSize _size;
+
+	Datum _datum;
+	QTransform _transform;
+	Projection *_projection;
+
+	QString _errorString;
+};
+
+#endif // MAPFILE_H